Zilog Z8038 Z-FIO document available

From: SHAUN RIPLEY <vax3900_at_yahoo.com>
Date: Mon Aug 2 18:23:22 2004

It mentioned the "extended processor unit interface"
to Z8000 cpu with a 6 page chapter. some reversed
instructions can be used as EPU instructions. It said
an EPU can be a floating point processor, a graphics
processor, a network processor.... It described the
EPU hardware interface but didn't say more about a
floating point processor. If you have interest I can
mail you a copy.

vax, 3900

--- "Dwight K. Elvey" <dwight.elvey_at_amd.com> wrote:

> >From: "SHAUN RIPLEY" <vax3900_at_yahoo.com>
> >
> >I copied the Z8038 part from the book "The Z8000
> >microprocessor, A design handbook" by Bradly, K.
> >Fawcett. I remember that somebody on the list tried
> to
> >make a collection of zilog chip documents. I'd like
> to
> >mail the 20 pages to him. Please send me email if
> it
> >is you. Thanks.
> >
> >
> Hi Shaun
> Does your book describe the floating point
> processor
> ( that was never released ). I was wondering because
> the CP/M-8000 that I've been playing with ( accually
> the C compiler ) uses the floating point processors
> instructions and then exception traps them to
> execute
> the floating point code. The format for using these
> traps would be the same as was expected for the
> real FPU.
> Dwight

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Received on Mon Aug 02 2004 - 18:23:22 BST

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